File s390x-Fix-stringop-truncation-issue-repo.patch of Package qemu.29315

From: Bruce Rogers <brogers@suse.com>
Date: Thu, 13 Aug 2020 14:03:29 -0600
Subject: s390x: Fix stringop-truncation issue reported by gcc 11

Signed-off-by: Bruce Rogers <brogers@suse.com>
---
 target/s390x/misc_helper.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/target/s390x/misc_helper.c b/target/s390x/misc_helper.c
index 58dbc023eb5495ec5da0321651ad..d8e18c0d4617c333fcd4cc1c5c8c 100644
--- a/target/s390x/misc_helper.c
+++ b/target/s390x/misc_helper.c
@@ -370,7 +370,7 @@ uint32_t HELPER(stsi)(CPUS390XState *env, uint64_t a0, uint64_t r0, uint64_t r1)
                            MIN(sizeof(sysib.sysib_322.vm[0].name),
                                strlen(qemu_name)));
                 strncpy((char *)sysib.sysib_322.ext_names[0], qemu_name,
-                        sizeof(sysib.sysib_322.ext_names[0]));
+                        sizeof(sysib.sysib_322.ext_names[0] - 1));
             } else {
                 ebcdic_put(sysib.sysib_322.vm[0].name, "TCGguest", 8);
                 strcpy((char *)sysib.sysib_322.ext_names[0], "TCGguest");